History · The Gambia

The Gambia: The Country Shaped by a River

The smallest nation on mainland Africa — a ribbon of land along one river, a British foothold inside French Senegal, a slaving route, and nearly thirty years of democracy ended by a 22-year dictatorship

By Globeway Editorial · 30 September 2026

A small low island with ruined stone walls and a few trees, seen across calm river water
Kunta Kinteh Island in the Gambia River, site of the British Fort James. A base of the Atlantic slave trade, it was renamed in 2011 for the character in Alex Haley's "Roots". (Kenneth Aitchison / Wikimedia Commons · CC BY-SA 4.0)

A river with a country around it

The Gambia is the smallest country on the African mainland, and one of the strangest in shape: a strip of land nowhere more than fifty kilometres wide, following the Gambia River far inland, surrounded on every side but the coast by Senegal. The outline is a colonial fossil — Britain wanted the river, France wanted the land around it, and the border was drawn, more or less, along the range of a gunboat's guns. About 2.5 million people live there, most of them Muslim, speaking Mandinka, Fula, Wolof, Jola and other languages.

A short history

  1. to 16th century

    The stone circles

    Centuries of burial monuments along the middle river.

  2. 13th–15th centuries

    Mali

    The river valley lies within the Mali Empire's western reach.

  3. 1455–1456

    Portuguese contact

    Cadamosto explores the Gambia River.

  4. 1661

    Fort James

    England seizes a Courlander island fort; the river becomes a slaving route.

  5. 1816

    Bathurst

    Britain founds the town now called Banjul.

  6. 1889

    The borders

    Anglo-French agreements fix The Gambia's shape.

  7. 1965

    Independence

    Dawda Jawara leads the country to statehood.

  8. 1994

    Jammeh's coup

    A 29-year-old lieutenant seizes power for 22 years.

  9. 2017

    Restoration

    Jammeh goes into exile after losing an election.

The river valley

The middle Gambia was long settled: the stone circles at Wassu and Kerbatch, raised over many centuries as burial monuments, mark a society with organisation and reach, and are now a World Heritage Site shared with Senegal.

A hand-coloured 18th-century map of a winding river, with riverside towns marked in red, kingdom names in large letters and drawings of insects in the margin
A map of the River Gambia from Eropina to Barrakunda, drawn by Captain John Leach in 1732. It names the kingdoms along the banks and marks riverside towns, ports and trading 'factories'. (Captain John Leach / Wikimedia Commons)

By the medieval period the valley lay within the western reach of the Mali Empire, divided among small Mandinka kingdoms along the banks. The river was a trade route for gold, ivory and other goods — and, after Europeans arrived, for people.

Trade and the fort

Portuguese ships entered the Gambia in 1455. English, French, Dutch and even Courlander traders followed, and in 1661 England seized the island fort the Courlanders had built near the river mouth, renaming it Fort James; it later became a base of the Royal African Company. For a century and a half the Gambia was a working slaving route, feeding the transatlantic trade. The river, the fort and the village of Juffureh became world-famous through Alex Haley's Roots, whose ancestor Kunta Kinte is taken from there.

A wide brown river with dense green mangrove and forest along both banks
The Gambia River near Janjanbureh, upstream. The whole country is organised around this single waterway, navigable far inland. (Wmtribe2015 / Wikimedia Commons)

The British colony

Britain abolished the slave trade in 1807 and founded Bathurst — now Banjul — in 1816 as a base to police it. The Gambia was run for long periods from Sierra Leone, became a separate colony for good in 1888, and given its peculiar borders by agreement with France in 1889. In the interior, the 19th-century Soninke–Marabout wars between Muslim reformers and traditional rulers spread Islam and reshaped local power. The colonial economy narrowed to a single crop: groundnuts, grown for export from the 19th century on.

Jawara, and Jammeh

The Gambia became independent on 18 February 1965 under Dawda Jawara, and a republic in 1970.

Dawda Jawara in a suit, photographed in 1979
Sir Dawda Jawara, president 1970–1994. The Gambia under him was one of the few multiparty democracies in Africa of its time — poor, aid-dependent, but comparatively free. (Anefo / Nationaal Archief / Wikimedia Commons)

Jawara governed for almost thirty years. He survived a bloody 1981 coup attempt with Senegalese military help, which briefly produced a Senegambia Confederation before Senegal dissolved it in 1989, after The Gambia refused to move closer to union.

In 1994 a 29-year-old army lieutenant, Yahya Jammeh, took power in a coup and kept it for 22 years.

Yahya Jammeh in a white robe and cap, photographed in 2014
Yahya Jammeh, ruler 1994–2017. His government was marked by disappearances, attacks on journalists, claims to cure AIDS, and withdrawal from the Commonwealth. (Official White House photo / Wikimedia Commons)

His rule grew steadily more repressive and erratic, and many young Gambians attempted the migrant route to Europe. In December 2016 Jammeh lost the presidential election to Adama Barrow, conceded, then reversed himself. When his term ran out in January 2017, a regional military force led by Senegal crossed the border, and Jammeh flew into exile in Equatorial Guinea. A truth commission later documented the crimes of his years in power. Barrow was re-elected in 2021, and the next presidential election is due on 5 December 2026.

What The Gambia carries

The Gambia's shape tells its history at a glance: a country that exists because a European power wanted control of a river and its trade, drawn so narrow that no point is far from the water. Within that ribbon it has managed something many larger neighbours did not — nearly thirty years of working democracy under Jawara, and a peaceful, if externally enforced, return to it after Jammeh.

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